22212112434 has 16 divisors (see below), whose sum is σ = 45049919040. Its totient is φ = 7299755120.

The previous prime is 22212112409. The next prime is 22212112441. The reversal of 22212112434 is 43421121222.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26070129 + ... + 26070980.

It is an arithmetic number, because the mean of its divisors is an integer number (2815619940).

Almost surely, 2^22212112434 is an apocalyptic number.

22212112434 is an abundant number, since it is smaller than the sum of its proper divisors (22837806606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22212112434 is a wasteful number, since it uses less digits than its factorization.

22212112434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52141185.

The product of its digits is 1536, while the sum is 24.

Adding to 22212112434 its reverse (43421121222), we get a palindrome (65633233656).

The spelling of 22212112434 in words is "twenty-two billion, two hundred twelve million, one hundred twelve thousand, four hundred thirty-four".